Module:Political party/testtable explained

local p =

local contrastRatio = require('Module:Color contrast')._ratio

function __genOrderedIndex(t) local orderedIndex = for key in pairs(t) do table.insert(orderedIndex, key) end table.sort(orderedIndex) return orderedIndexend

function orderedNext(t, state) -- Equivalent of the next function, but returns the keys in the alphabetic -- order. We use a temporary ordered key table that is stored in the -- table being iterated.

local key = nil if state

nil then -- the first time, generate the index t.__orderedIndex = __genOrderedIndex(t) key = t.__orderedIndex[1] else -- fetch the next value for i = 1, #(t.__orderedIndex) do if t.__orderedIndex[i]

state then key = t.__orderedIndex[i + 1] end end end

if key then return key, t[key] end

-- no more value to return, cleanup t.__orderedIndex = nil returnend

function orderedPairs(t) -- Equivalent of the pairs function on tables. Allows to iterate in order. return orderedNext, t, nilend

local function isContrastValid(text, background) if not background or background

"" then return end

local ratio = tonumber(contrastRatio) if not ratio then return "" end if ratio > 4.5 and ratio < 7.0 then return "AA" elseif ratio > 7.0 then return "AAA" else return "Failed" endend

local function isColorValid(color) if not color or color

"" then return end

-- Convert to lowercase. color = color:lower -- Check if color is using an HTML color name. local HTMLcolor = mw.loadData('Module:Color contrast/colors') if HTMLcolor[color] then return end -- Added as a valid color in https://www.w3.org/TR/css-color-3/#transparent if color

"transparent" then return "" end

-- Remove leading # if there is one. color = string.gsub(color, "^#", "")

local cs = mw.text.split(color, ) if #cs

6 or #cs

3 then return end

return falseend

-- Example of having all the data - color and names - in one table. Requires one page to be edited instead of two when adding a new party.function p.tables(frame) -- Initialise and populate variables local args = frame.args local index = args.letter -- Load data from submodule local data = require('Module:Political party/' .. index) -- helper function local function table_row(party_name, party_info) local res = mw.html.create() res:tag('th') :attr('scope', 'row') :wikitext(party_name) res:tag('td') :css('background-color', party_info.color) :wikitext(party_info.color) res:tag('td') :wikitext(party_info.abbrev) res:tag('td') :wikitext(party_info.shortname) res:tag('td') :wikitext(tostring(isColorValid(party_info.color))) res:tag('td') :wikitext(isContrastValid("black", party_info.color)) res:tag('td') :wikitext(isContrastValid("#0645AD", party_info.color)) res:tag('td') :wikitext(isContrastValid("#0B0080", party_info.color))

return tostring(res) end

-- build table local root = mw.html.create('table') root:addClass('wikitable') :addClass('sortable') :addClass('plainrowheaders') :css('background-color', 'transparent') :css('font-size', '90%') :css('line-height', '100%') :cssText(style) local row = root:tag('tr') row:tag('th') :attr('scope', 'col') :wikitext('Political party name') row:tag('th') :attr('scope', 'col') :addClass('unsortable') :wikitext('color') row:tag('th') :attr('scope', 'col') :wikitext('abbrev') row:tag('th') :attr('scope', 'col') :wikitext('shortname') row:tag('th') :attr('scope', 'col') :wikitext('Is color valid?') row:tag('th') :attr('scope', 'col') :wikitext('Contrast normal text') row:tag('th') :attr('scope', 'col') :wikitext('Contrast unvisited link') row:tag('th') :attr('scope', 'col') :wikitext('Contrast visited link')

for party_name, party_vals in orderedPairs(data.full) do row = root:tag('tr') row:wikitext(table_row(party_name, party_vals)) end return tostring(root)

end

return p